tls.c revision 2145:f3828f946507
1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22/* 23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27#pragma ident "%Z%%M% %I% %E% SMI" 28 29#include <link.h> 30#include <libc_int.h> 31#include <rtld.h> 32#include <strings.h> 33#include <debug.h> 34#include "msg.h" 35#include "_debug.h" 36 37#define FLAGSZ MSG_TLS_FLAG_START_SIZE + \ 38 MSG_TLS_FLAG_STATIC_SIZE + \ 39 CONV_INV_STRSIZE + MSG_TLS_FLAG_END_SIZE 40 41static void 42Dbg_tls_modent(Lm_list *lml, TLS_modinfo * tmodent) 43{ 44 static Val_desc vda[] = { 45 { TM_FLG_STATICTLS, MSG_ORIG(MSG_TLS_FLAG_STATIC) }, 46 { 0, 0 } 47 }; 48 char flagstr[FLAGSZ]; 49 ulong_t flags; 50 51 if ((flags = tmodent->tm_flags) != 0) { 52 (void) strlcpy(flagstr, MSG_ORIG(MSG_TLS_FLAG_START), FLAGSZ); 53 54 if (conv_expn_field(flagstr, FLAGSZ, vda, flags, flags, 55 MSG_ORIG(MSG_TLS_FLAG_SEP), 0)) 56 (void) strcat(flagstr, MSG_ORIG(MSG_TLS_FLAG_END)); 57 } else 58 flagstr[0] = '\0'; 59 60 dbg_print(lml, MSG_INTL(MSG_TLS_MODENT1), 61 EC_XWORD((uintptr_t)tmodent->tm_tlsblock), 62 EC_XWORD(tmodent->tm_stattlsoffset), EC_XWORD(tmodent->tm_flags), 63 flagstr); 64 dbg_print(lml, MSG_INTL(MSG_TLS_MODENT2), 65 EC_XWORD(tmodent->tm_filesz), EC_XWORD(tmodent->tm_memsz), 66 EC_XWORD(tmodent->tm_modid)); 67} 68 69void 70Dbg_tls_static_block(Lm_list *lml, void *list, ulong_t size, ulong_t resv) 71{ 72 if (DBG_NOTCLASS(DBG_C_TLS)) 73 return; 74 75 Dbg_util_nl(lml, DBG_NL_STD); 76 77 if (list) { 78 ulong_t ndx; 79 TLS_modinfo **tlsmodlist; 80 81 tlsmodlist = (TLS_modinfo **)list; 82 83 for (ndx = 0; tlsmodlist[ndx]; ndx++) { 84 dbg_print(lml, MSG_INTL(MSG_TLS_STATBLOCK1), ndx, 85 tlsmodlist[ndx]->tm_modname); 86 Dbg_tls_modent(lml, tlsmodlist[ndx]); 87 Dbg_util_nl(lml, DBG_NL_STD); 88 } 89 } 90 dbg_print(lml, MSG_INTL(MSG_TLS_STATBLOCK2), EC_XWORD(size), 91 EC_XWORD(resv)); 92} 93 94void 95Dbg_tls_static_resv(Rt_map *lmp, ulong_t size, ulong_t resv) 96{ 97 Lm_list *lml = LIST(lmp); 98 99 if (DBG_NOTCLASS(DBG_C_TLS)) 100 return; 101 102 Dbg_util_nl(lml, DBG_NL_STD); 103 dbg_print(lml, MSG_INTL(MSG_TLS_STATBLOCK3), TLSMODID(lmp), NAME(lmp), 104 EC_XWORD(size), EC_XWORD(resv)); 105} 106 107void 108Dbg_tls_modactivity(Lm_list *lml, void *vtlsmodent, uint_t flag) 109{ 110 const char *str; 111 TLS_modinfo *tlsmodent; 112 113 if (DBG_NOTCLASS(DBG_C_TLS)) 114 return; 115 116 if (flag == TM_FLG_MODADD) 117 str = MSG_INTL(MSG_TLS_ADD); 118 else 119 str = MSG_INTL(MSG_TLS_REMOVE); 120 121 tlsmodent = (TLS_modinfo *)vtlsmodent; 122 Dbg_util_nl(lml, DBG_NL_STD); 123 dbg_print(lml, MSG_INTL(MSG_TLS_MODACT), str, tlsmodent->tm_modname); 124 Dbg_tls_modent(lml, tlsmodent); 125} 126